Berkeley, Calif. : Lawrence Berkeley National Laboratory, 2008. Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
We report the demonstration of a reflection microscope that operates at 13.2-nm wavelength with a spatial resolution of 55 ± 3 nm. The microscope uses illumination from a table-top EUV laser to acquire aerial images of photolithography masks with a 20 second exposure time. The modulation transfer function of the optical system was characterized.